Bench-scale demonstration of hot-gas desulfurization technology. Quarterly technical progress report, July 1, 1993--September 30, 1993

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The US Department of Energy (DOE), Morgantown Energy Technology Center (METC), is sponsoring research in advanced methods for controlling contaminants in hot coal gasifier gas (coal gas) streams of integrated gasification combined-cycle (IGCC) power systems. The programs focus on hot-gas particulate removal and desulfurization technologies that match or nearly match the temperatures and pressures of the gasifier, cleanup system, and power generator. The purpose is to eliminate the need for expensive heat recovery equipment, reduce efficiency losses due to quenching, and minimize wastewater treatment costs. Hot-gas desulfurization research has focused on regenerable mixed-metal oxide sorbents which can reduce the sulfur ... continued below

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16 p.

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Creator: Unknown. December 31, 1993.

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  • Research Triangle Institute
    Publisher Info: Research Triangle Inst., Research Triangle Park, NC (United States)
    Place of Publication: Research Triangle Park, North Carolina

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Description

The US Department of Energy (DOE), Morgantown Energy Technology Center (METC), is sponsoring research in advanced methods for controlling contaminants in hot coal gasifier gas (coal gas) streams of integrated gasification combined-cycle (IGCC) power systems. The programs focus on hot-gas particulate removal and desulfurization technologies that match or nearly match the temperatures and pressures of the gasifier, cleanup system, and power generator. The purpose is to eliminate the need for expensive heat recovery equipment, reduce efficiency losses due to quenching, and minimize wastewater treatment costs. Hot-gas desulfurization research has focused on regenerable mixed-metal oxide sorbents which can reduce the sulfur in coal gas to less than 20 ppmv and can be regenerated in a cyclic manner with air for multicycle operation. Zinc titanate (Zn{sub 2}TiO{sub 4} or ZnTiO{sub 3}), formed by a solid-state reaction of zinc oxide (ZnO) and titanium dioxide (TiO{sub 2}), is currently the leading sorbent. The sulfidation/regeneration cycle can be carried out in fixed-bed, moving-bed, or fluidized-bed reactor configuration, and all three types of reactors are slated for demonstration in the DOE Clean Coal Technology program. The fluidized-bed reactor configuration is most attractive because of several potential advantages including faster kinetics and the ability to handle the highly exothermic regeneration to produce a regeneration offgas containing a constant concentration of SO{sub 2}.

Physical Description

16 p.

Notes

OSTI as DE94005894; Paper copy available at OSTI: phone, 865-576-8401, or email, reports@adonis.osti.gov

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  • Other Information: PBD: [1993]

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  • Other: DE94005894
  • Report No.: DOE/MC/30010--3611
  • Grant Number: AC21-93MC30010
  • DOI: 10.2172/10118412 | External Link
  • Office of Scientific & Technical Information Report Number: 10118412
  • Archival Resource Key: ark:/67531/metadc1274505

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  • December 31, 1993

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  • Oct. 12, 2018, 6:44 a.m.

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  • Nov. 16, 2018, 6:53 p.m.

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Bench-scale demonstration of hot-gas desulfurization technology. Quarterly technical progress report, July 1, 1993--September 30, 1993, report, December 31, 1993; Research Triangle Park, North Carolina. (https://digital.library.unt.edu/ark:/67531/metadc1274505/: accessed March 24, 2019), University of North Texas Libraries, Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.